P2D50

Hybrid/EV Battery Pack L Over Temperature

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–222 (est.)

Symptoms

Reduced vehicle power
Battery overheat warning on dashboard
Reducing electric range
The car goes into emergency mode

Causes

Battery cooling system malfunction
Clogged or damaged battery cooling radiator
Battery cooling fan malfunction
Damage to battery temperature sensors
Excessive load on the battery (long-term driving at high speed or in difficult conditions)

How to Fix

Check the coolant level in the battery cooling system
Inspect the radiator and battery cooling fan for damage
Check the operation of battery temperature sensors
Diagnose the battery cooling system for leaks or blockages
Allow the battery to cool before continuing to operate the vehicle.

Related codes

P2D51 P2D52 P0AA6